feat: init engine

.editorconfig

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+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab

.eslintignore

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+test/fixtures
+dist
+es
+lib
+config/wrapper.js
+.docz

.eslintrc.js

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+module.exports = {
+  extends: [require.resolve('@umijs/fabric/dist/eslint')],
+  globals: {
+    $: true,
+    _: true,
+  },
+  rules: {
+    'no-bitwise': 0,
+    'import/order': 0,
+    'no-plusplus': 0,
+    'no-console': ['error', { allow: ['warn', 'error'] }],
+    'operator-assignment': 0,
+    'consistent-return': 0,
+    'lines-between-class-members': 0,
+    'class-methods-use-this': 0,
+    'lines-between-class-members': 0,
+    'no-multi-assign': 0,
+    'no-continue': 0,
+    'no-underscore-dangle': 0,
+    'no-useless-constructor': 0,
+    'prefer-destructuring': 0,
+    'guard-for-in': 0,
+    'no-restricted-globals': 0,
+    'max-classes-per-file': 0,
+    'no-restricted-syntax': 0,
+    'prefer-spread': 0,
+    '@typescript-eslint/camelcase': 0,
+    'no-loop-func': 0,
+    '@typescript-eslint/no-loop-func': 0,
+    '@typescript-eslint/no-redeclare': 0,
+    '@typescript-eslint/no-shadow': 0,
+    '@typescript-eslint/no-unused-vars': 0,
+    'no-param-reassign': 0,
+    'import/no-extraneous-dependencies': 0,
+    'no-unused-expressions': 0,
+    'dot-notation': 0,
+    'array-callback-return': 0,
+    'one-var': 0,
+    'no-lonely-if': 0
+  },
+};

.fatherrc.js

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+export default {
+  entry: './src/index.ts',
+  esm: 'rollup',
+  cjs: 'rollup'
+};

.github/workflows/gitleaks.yml

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+name: gitleaks
+
+on: [push,pull_request]
+
+jobs:
+  gitleaks:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: '1'
+    - name: wget
+      uses: wei/wget@v1
+      with:
+        args: -O .gitleaks.toml https://raw.githubusercontent.com/ycjcl868/gitleaks/master/.gitleaks.toml
+    - name: gitleaks-action
+      uses: zricethezav/gitleaks-action@master

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+yarn.lock
+lib
+es
+
+# lock
+package-lock.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+build
+dist
+temp
+.DS_Store
+.idea
+demos
+lib
+
+*.sw*
+*.un~
+
+# cache
+*.cache
+public
+
+esm
+
+es

.prettierrc.js

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+module.exports = {
+  semi: true,
+  trailingComma: 'all',
+  singleQuote: true,
+  printWidth: 120,
+};

README.md

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-# vis-predict-engine
-可视化预测引擎，目前只用于预测图可视化布局，支持 force 和 radial 两种布局，后续会支持 dagre 和 Concentric 布局。
+# @antv/vis-predict-engine 可视化预测引擎
+
+## 图布局预测
+目前布局预测的模型由本引擎内置，支持force/radial的二布局分类，后续会支持dagre、concentric等布局。
+
+### 使用方法
+```
+import { GraphLayoutPredict } from '@antv/vis-predict-engine';
+const { predictLayout, confidence } = await GraphLayoutPredict.predict(data, expectLayout, showLog);
+# 入参：①data: 图数据（格式见使用示例），必传; ②expectLayout: 期望布局(枚举，目前支持force、radial); ③
+showLog: 是否需要打印日志（布尔，默认false）
+# 返回：①predictLayout: 预测布局; ②confidence: 置信度。
+```
+
+### 使用示例
+```
+import { GraphLayoutPredict } from '@antv/vis-predict-engine';
+const data = {
+    nodes: [
+        {
+            id: '001',
+            label: '电影awa'
+        },
+        {
+            id: '002',
+            label: '演员s'
+        },
+        {
+            id: '003',
+            label: '电影公司a'
+        },
+        {
+            id: '004',
+            label: '杭州'
+        },
+    ],
+    edges: [
+        {
+            id: '100000',
+            label: '主演',
+            source: '002',
+            target: '001',
+        },
+        {
+            id: '100001',
+            label: '出品',
+            source: '003',
+            target: '001',
+        }
+    ]
+}
+const { predictLayout, confidence } = await GraphLayoutPredict.predict(data, 'force');
+```
+

package.json

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+{
+  "name": "@antv/vis-predict-engine",
+  "version": "0.0.0",
+  "description": "visualization predict engine",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/antvis/vis-predict-engine"
+  },
+  "license": "MIT",
+  "author": "https://github.com/orgs/antvis/people",
+  "main": "src/index.ts",
+  "files": [
+    "package.json",
+    "dist",
+    "LICENSE",
+    "README.md"
+  ],
+  "scripts": {
+    "start": "father build --watch",
+    "build": "npm run clean && father build",
+    "clean": "rimraf es esm lib dist",
+    "lint": "eslint --ext .js,.jsx,.ts,.tsx --format=pretty \"./\"",
+    "prettier": "prettier -c --write \"**/*\""
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged"
+    }
+  },
+  "lint-staged": {
+    "*.{js,jsx,ts,tsx}": [
+      "prettier --write",
+      "eslint --ext .js,.jsx,.ts,.tsx",
+      "git add"
+    ]
+  },
+  "devDependencies": {
+    "eslint": "^7.13.0",
+    "father": "^2.29.11",
+    "lint-staged": "^10.5.1",
+    "pre-commit": "^1.2.2",
+    "prettier": "^2.1.2",
+    "rimraf": "^3.0.2"
+  },
+  "dependencies": {
+    "@tensorflow/tfjs": "^2.7.0"
+  }
+}

src/graph-predict/index.ts

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+import GraphLayoutPredict from './layout';
+
+export { GraphLayoutPredict };

src/graph-predict/layout/index.ts

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+import * as tf from '@tensorflow/tfjs';
+import './layer/graph-conv-layer';
+import './layer/pooling-layer';
+import { transGraphData, featureProcess, predictLog } from './utils';
+import { Layout, GraphData, PredictGraphData } from '../types';
+
+let model: any = null;
+
+const load = tf
+  .loadLayersModel(
+    'https://gw.alipayobjects.com/os/bmw-prod/0dbe89ff-b325-458f-85dd-5025866a4870.json',
+  )
+  .then(loadedModel => {
+    model = loadedModel;
+    return model;
+  });
+
+const getModel = async () => {
+  const loadedModel = await load;
+  return loadedModel;
+};
+
+const predictRes = async (data: PredictGraphData) => {
+  const graphData = featureProcess(data.nodes, data.edges, 16);
+  const res = await model.predict(graphData).data();
+  return res;
+};
+
+export default {
+  async predict(data: GraphData, expectLayout: Layout, showLog: boolean = false) {
+    const graphData = transGraphData(data);
+    await getModel();
+    const res = await predictRes(graphData);
+    const predictLayout = res[0] > res[1] ? Layout.force : Layout.radial;
+    const confidence = `${(Math.max(res[0], res[1]) * 100).toFixed(2)}%`;
+    if (showLog) {
+      predictLog(expectLayout, predictLayout, confidence);
+    }
+    return { predictLayout, confidence };
+  },
+};